Automatic advertising station announcing system and method



1,894,684 AUTOMATIC-ADVERTISING STATION ANNOUNCING SYSTEM AND us'raon w.D. HAWK Jan. 17, 1933.

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.AUTOMATIC ADVERTISING STATION ANNOUNCING SYSTEM AND METHOD Filed June17. 1929 e Sheets-Sheet 5 Jan. 17, 1933. w. D. HAWK I 1,894,684

AUTOMATIC AfiVERTISING STATION ANNOUNCING SYSTEM AND METHOD Filed June17. 1929 6 Sheets-Sheet 6 gwomtoa; 1636/" H Jazz/1';

Patented Jan. 17, 1933 UNITED STATES PATENT OFFICE WALTER D. HAWK, OFLOS ANGELES, CALIFORNIA AUTOMATIC ADVERTISING STATION ANNOUNCING SYSTEMAND METHOD Application med June 17, 1929. 7 Serial No. 371,382.

This invention relates to automatic advertising stationannouncingsystems of the type useful, for example, in connection withmotor vehicles of any description for announcing to the passengers insaid vehicles the next sta- 7 tion or stop at which the vehicles arestopped,

in order that the passengers may be apprised, before and as the stop ismade, of the name of the street or other stationvat which they 10 maywish to leave the vehicle.

-The. invention, furthermore, relates to automatic advertising stationannouncing methods. v I

One of the principal objects of the invention is to make provision forannouncing the stations with accuracy, l

- Another very important object is to exhibit to the patrons of motorcoach or bus lines, simultaneously with the name of the next station,the advertisement of a mer- 'chant or other advertiser located at oradjacent to said station. 7

Anotherpbjectis to provide a system of this character employing a screenupon which .the names of the stations are projected so as to be readilyvisible to the passengers of the vehicle on which the system isinstalled.

Avery important object of the invention is v to make it servelas anadvertising medium in connection with the announcing of the stations.

- accurately positioning the names of the stafied so that said names arereadily visible tioil's on the strip that carries the names of 7 saidstations.

Another object is to construct. a system of this character thatwillemploy a motion picture fihn, the names of the stations beingphotographed on said film and then magnito the occupants of the vehicleon which the system is installed. 1 Another important object is toprovide a method whereby accuracy in thespacing of the names of thestations on'the film is accomplished.

Further objects and advantages will ap-.

pear in the subjoined detailed description.

The invention, to be hereinafter described in detail, includes aprojectorin which oper- Another object is to make provision for atesfilm provided with the names of the stations and with advertisements ofmerchants or other advertisers, a lens or lenses'of the pro ectorsuitably magnifying the advertisements and the correlated names of thestatances between said stations so that the prop- 85 er synchronizationwill result in the showing of the station name and advertisement andarrival of the vehicle at said station. 7

The drive shaft of the projector is suit .ably geared to one of theoperating members of the vehicle so asto obtain thenecessary ratiobetween. the travel of the strip and that of the vehicle, thus to securethe synchronization mentioned abov The accompanying drawings illustratethe invention.

Figure 1 is a fragmental perspective view of a motor vehicle in whichis'installed an automatic station announcer constructed in accordancewith the provisions. of this invention.

Figure 2 is a view of the speed reduction gear train, the case beingshown in section.

Figure 3 is an enlarged sectional elevation of the speed'reduction geartrain on the line 7 indicated by 33, Figure 2.

Figure 4 is an enlarged plan-view of the projector, the cabinet in whichthe projector is mounted being shown in section. v

Figure 5 is a front elevation of Figure 4, one of the lamp housingsbeing shown in section, as well as the cabinet.

Figure .6 is afragmental vertical view, partly in section, from the lineindicated by 6-6, Figure '5. p Figure 7 is an enlar ed'fragmental planview, partly in section, om the line indicated by 7-7,Fi re 5.

Fi re 8 is a agmental sectional detail on the line indicated by 8-8,Figure 6.

Figure 9 is an elevation of the projector, looking at the cabinet fromthe front.

Figure 10 is a fragmental view showing the front portion of theprojector with a stamping mechanism mounted thereon for stamping the keystrips with symbols.

igure 11 is a horizontal section on the line indicated by 11-11, Figure10.

Figure 12 is a broken view of the key strip.

Figure 13 is a broken view of the station announcing strip and thecorresponding advertisement strip that operates in synchronism with' thestation announcing strip.

Fig. 14 is a broken view of a slight modification of the stationannouncing strip, the stationnames and advertisements appearing on asingle strip.

Figure 15 is a longitudinal view, mainly in section, of a different formof projector than illustrated in Figure 4.

Figure 16 is a vertical section on the line indicated by 1616, Figure15.

I Figure 17 is a fragmental perspective view, corresponding to a portionof Figure 1, showing the camera, the legend card and the holder for saidcard.

Fi re 18 is an enlarged view of a portion of Figure 17, the camera beingshown partly in section.

Figure 19 is a vertical view, partly in section, from the line indicatedby 1919, Figum 18.

Figure 20 is a plan section on the line indicated by 2020, Figure 18,omitting the lamps.

Figure 21 is a vertical view, partly in section, from the line indicatedby 21-21, Figure-18, one of the objective lenses being omit- Fi re 22 isan enlarged fragmental view, main y in section, from the line indicatedby 22-22, Figure 20.

Referring, more particularly, to Figure 1 of the drawings, a motorvehicle is indicated, in general, by the character 16. Suspended in theupper portion of the body 17 of the vehicle is a projector enclosingcabinet 18, the front of said cabinet 18 being provided with a screen 19which, in this instance, is translucent. The screen '19 may be made, forexample, of ground lass.

Mounted on the instrument board 20 of the vehicle is a speed reductiongear train, of which the case is indicated at 21. The propeller shaft ofthe vehicle is indicated at 22 "and said shaft is provided with a spurgear 23 that meshes with a spur pinion 24 on a shaft 25. The gear 23 andpinion 24 are enclosed in a suitable case 26 which may be secured in anysuitable manner to the vehicle. The pinion shaft is connected by aflexible shaft 27 to the gear train enclosed in the case 21, and saidgear train is connected by a flen'ble shaft 28. to the projector in thec'abinet ls.

The foregoing will make clear the eneral arrangement of the variousunits w 'ch c-o-operate to produce the desired result and reference willnow be had to the other views of the drawings for the details ofconstruction of said units.

The projector is indicated, in general, at 29, being suitably secured tothe bottom of said cabinet. In this particular instance the projector isillustrated as of the duplex type or, in other Words, of a type thatsimultaneously projects light through two film strips. The projector 29is provided with two lamp housings 30 in each of which is anelectrically operated lamp 31 and mounted on the front of each lamphousing 30 is a lens system 32 capable of projecting light rays from thelamp 31 onto approximately one-half of the screen 19. The light raysprojected by the lens systems 32 illuminate different areas of thescreen 19. While the light may be pro jected so as to cause thelettering on the different strips to appear on the screen in any desiredrelation, in the instance illustrated the lettering on one film isprojected on the' screen alongside of the projected image of thelettering of the other strip so that the names of the stations alinewith the advertisements of advertisers located at said stations,respectively.

Mounted on the forward end of each lamp housing 30 is a bracket 33 whichcarries bearings 34, and extending through all of the bearings 34 is asingle horizontal shaft 35. The shaft 35 is driven through mitre gears351, 352 from a vertical shaft 36 which projects outside of the cabinet18. The projecting end of the shaft 36 is provided with a suitablecoupling 37 that couples the shaft 36 to the flexible shaft 28. Thus,the shaft 35 is operably connected with the gear train within the case21. The shaft 28, in this instance, comprises sections 361, 362detachably connected by a coupling 363.

The forward end of each bracket 33 is provided with a. film gatecomprising a stationary member 38 and a movable member 39. The gatemember 39, in this instance, is hinged at 40 to the bracket 33 and isprovided with a suitable latch 41 for holding the gate member v39closed.

Through the respective film gates extend film strips 42, 43, the stripsbeing actuated by any suitable mechanism. In the present instance, thefilm strips are provided with perforations 44 engaged by sprockets 45which are mounted on and turned by the shaft 35. I11 this particularinstance, one portion of each of the lens systems 32 is supported by oneof the brackets 33, while the other portion of each of said lens systemsis supported directly on the associated lamp housing.

From the foregoing it will readily be seen Ill 19 21. Aligned with theshaft 48 is another shaft 50 turnin in bearings 51 of the case 21. Asimple 0 utch 52, of any suitable description, releasably connects theshafts 48,

50, being operatedby a fork 53 which projects through an opening 54 inthe case 21.

- Secured to the shaft 50 are spur gears 55, 56, the spur gear 55meshing with a spur pinion 57 which is shifted on a shaft 58 by a fork59, said fork 59 also at the same time shifting another spur gear 60 onthe shaft 58.

The gears 57, 60 are integral and are splined on the shaft 58 in amanner common in gear shifts and well understood in that art. When thefork 59 is in the position illustrated in Figure 2, the gears 55, 57 arein mesh, but when the fork 59' is shifted from said position itdisengages the gears 55, 57 and en-,

gages the gear 60 with an idler gear 61 mounted on a shaft 62 and alsoin mesh with the gear 56. Thus, by shifting the fork 59 into differentpositions, the shaft 48 may be driven in either direction.

Fixed to the shaft 58 is another spur gear 63 driven by a spur gear 64fixed to a shaft 65 which turns in bearings 66 of the case 21. The shaft65 is provided with a Worm gear 67 driven by a' worm 68 on a shaft 69that turns in bearings 70 of the case-21. The shaft 69 is connected byasuitable coupling 71 to the flexible shaft 27.

Inorder that-the shaft 48 may be turned by hand in either direction, foradjusting the film strips, a bevel gear 72 and adapted to be moved inand out of mesh with the gear 72-is a bevel pinion 73 on the inner endof a shaft 74 which projects outside of the case 21 and is providedwithfa knurled knob 75 shaft 74 may be readily turned;

The shaft .74 turns in a-bearing 76 of the case 21 and is provided witha shoulder 77,

1 between which and the inner end of the bore of the bearing 76 is acoil spring 78 which tends to thrust the shaft 74 outwardly and toyieldingly hold said shaft in its outer position, in which position thegears 72, 73 are outof mesh. By pressing the knob 75 inwardly, the gear73 is caused to mesh with the gear 72, whereupon the operatoi may turnthe knob 75 in one direction or thejfipther to move the strips inrelation to the propeller shaft 22.

j In this particular instance the film strips 42,

43 are preferably endless, and each is threaded upon a series of groovedpulleys 79 stathere is provided on the shaft 48] whereby the through theslide 81. By. moving the slides 81 upwardly, any slackness in the filmstrl'ps may be taken up.. Thus the apparatus can employ film strips ofdifferent lengths, according to the number of names of stations that arecontained on the film strips and the spacing of said names.

It is very important that the names of the stations be accuratelypositioned on the film strips in relation to one another so that whenthe film strips are operated, the names of the successive stations andthe advertisements will accurately register with an indicator orindicators of any suitable description, such indicators, in thisinstance, being horizontal arrows 85 placed-on the front wall of thecab:

inet, on opposite sides of the screen 19. Themethod and means by whichthis accuracy is attained are as follows:

Referring more particularly to Figures 10 and 11, 86 indicates astamping or numbering device of any suitable description removablymounted on one of the brackets 33 by screws 87, or their equivalents.This numbering device 86, in this instance, is a numbering machine of 'atype that is well known in the art relating to numbering machines and,accordingly, the construction and operation of said;

scribe herein.

The member '88, by which the numbering machine is 'operated, in thisinstance, is in the numbering machine are not necessary to deform of alever having its fulcrum at 89 on an arm 90' of the numbering machine.The

member 88 is pivoted at 91 to a rod 92 that operates the number diecylinder. 7

To obtain a film strip properly provided with the names of the stations,the following procedureis carried out; A key negative is made by firstphotographing on raw stock a scale of linear measurement and thendeveloping and fixing the film .in a manner well understoodin thephotographic art. A positive key film strip is then printed from saidnegative in a manner well understood in the photographic art, thusproducing the strip indicated at 93 in Figure 12, said strip havingthereon the scale 94. This positive key strip is developed and thenfixed, in a manner well understood in'the photographic art.

Inasmuch as either the negative or positive strips may be used forreceiving the symbols, which are'printed on the strip, in a mannerhereinafter described, this strip will bereferred to hereinafter simplyas the key strip. Also, it is notabsolutely necessary that the key stripbe calibrated or provided with a thereafter operate on re stampingdevice 86 to impress the number between adjacent station names beingpro- 1 linear scale, but such scale will facilitate the preparation ofthe station announcin strip and advertising stri In any event, w etherthe strip bear the linear scale or not, it is herein termed the keystrip. Those parts of the invention hereinbefore described havin beeninstalled on the vehicle, as illustrate in Figure 1, with the stem ingdevice 86 in place, the vehicle will driven on a definite route overwhich itis to lar schedule, and thevehicle will be broug t to a stop atone of the stations. The key strip 93 having previously been placed inthe projector, in the manner hereinbefore described, the operator willactuate the lever 88 to thereby cause on the key strip 93. The operatorwill have in his possession a list of the names of the stations alongthe assigned route, and the names of the successive stations will bedesignated on thelist by symbols. These symfor example, 1, 2, 3, 4, etcetera, the number 1 being associated with the name of the station atwhich the vehicle has been brought .to a stop at the beginning of itsassigned route. 1

The vehicle will then be driven along the assigned route to the nextsucceeding station 011 said route and stopped at said station, and theoperator will again actuate the lever 88 so as to imprint on the keystrip the number 2, which number, as above stated, has been associatedon the list of stations with the name of the second station stopped at.This procedure will be continued until the vehicle reaches the end ofthe assigned route, whether the route be a circular one that ends at thestarting point or whether it be a shuttle outward trip.

After the key strip has thus been provided with station indicatingsymbols, said strip will be employed as a guide for the making of astation name strip and an advertising strip. This is done by projectinggreen colored letters, that spell the station names and theadvertisement, on a translucent screen and photographing said letters,the spaces ortional to the distances between the ad acent symbols thatstand for said station names. The distances are easily read oil on thescale on the key strip, if the strip is provided with such scale and,otherwise, a scale may be laid on the key strip tomeasure the distancesbetween-station symbols, and

- the station names will. then be lettered on cards, with the names ofadjacent stations tioned above and, accordingly, the successive names onthe 'translucent screen will a pear at the correct intervals, whichinterva as just mentioned, are multiples of the intervals betweenadjacent symbols on the key stri The names of business establishmentslocated at the stations, at which the vehicle stops, may be photographedon the same strip with the station names, as indicated in Figure 14, oron a separate strip, separate station name and advertisement stripsbeing shown in Figure 13L Whether the single strip is employed or twostrips, will depend upon the type of projector and the projectorillustrated and described herein is adapted for the reception ofseparate strips, one containing the station names and the othercontaining advertisements. If the advertisements are on a separate strithe same care will be exercised in properij spacin so that when the twostrips are move at the same rate of speed, perfect synchronism willresult or in other words, the name of the advertised; establishment willbe aligned in the projector with the name of the station at them i namesand advertisements directly upon said) strips by transporting a raw filmfrom station to station on the route of the vehicle, moving the raw filminto successive exposure positions by distances that are proportional tothe distances between the successive stationsand photographing on thefilm the names of the stations in the order in which the film arrives atsaid stations.

To photographthe station names and advertisements directly on thestrips, additional apparatus is provided as follows: There is provided acamera 95 which, in the present instance, is of the duplex type or, inother words, a type which makes two exposures on separate film strips.The camera 95 is secured in any suitablemanner to a bracket 96 which issuitably supported in the vehicle just beneath the projector 18.Thebracket 96 has a downward extension 97 that constitutes a holder forsupporting cards 98, 99, only one of each of whichis illustrated. Thecards 98 bear the names of the stations, which names are to bephotographed by one side of the camera on one of the film strips, andthe cards 99 bear advertisements which are to be photographed by theother side of the camera on the other film strip. In the present instance, the cards 98,99 are suspended from hooks 100 carried by thesupport 97, said hooks being engaged with perforations 101 near theupper edges of the cards 98, 99.

The camera 95 is of any suitable construction that will permit ofmovement of the film strips by operation of the vehicle-propeller shaft22 or any other part of the mechanism of the vehicle that operates onlywhen the vehicle is being propelled over the road. In the presentinstance, .the shaft 28, having been first disconnected from therojector 18, is connected with a vertical sha 1020f the camera 95. Thisis done by removing the glaft section 361 so as to shorten the shaft Theshaft 102 is connected by mitre gears 103, 104 with a transverselyextending shaft 105 on which are mounted film-engaging sprockets 106,one set of said sprockets engaging a film strip A and a second set ofsprockets engagin the film strip 13. Each of the film strips A, is woundon a feed spool 107 and a take p s 01 108 within the box 109 of thecamera. slip driving connection consisting of a belt 110 and pulleys111, 112 connects the shaft 105 with the take-up spool shaft 113.

The camera is provided with an orifice in line with each film strip,only one of said 7 orifices being seen inFigure 21 at 114. The camera isprovided with two lens systems 115 and the usual shutter operatingmechanisms Figure 21, at 116. The shutters and their operatingmechanisms need not be described in detail herein, since theconstruction and operation of such shutters and shutter operatingmechanisms are well understood in the art relatin thereto.. 1 1

Fixe to the under side of the bracket 96 between the card support 97 andthe camera is a lamp or lamps 117 for illuminating the cards 98, 99 whenthenam'es and advertise.- ments on said cards are tobe photographed.

To photograph the station names an advertisements directly on the;filmstrips, the camera shutters being closed-and the-lamps 117 illuminated,the vehicle will be driven on the predetermined route, starting'at0116.0f the stations .on said route. The vehicle will be stopped at thisfirst station and the'cards 98, 99 bearin respectively, the name of thestation and file name of the establishment said station,xwill"be hung uponthe support 97. The camera shutters will thenzbe operated, in a mannerwell understood in the art relating to cameras, to make exposures. Thevehiclewill then be driven along its route containing the appropriatestation name and advertisementwill be hung'up and othegpor tions of thefilms A, B will be expos by operation of the shutters. r j Thisalternate driving of the vehicle to suceeeding stations and operation ofthe camera are employed, only one of which is shown in that is to beadvertised and that is located at to the next succeeding station :indother cards while the vehicle is stopped at said stations will beproceeded with until the vehicle has reached the end of its route. Thefilm strips A, B will then be removed from the camera, developed andfixed in the customary manner, thus producing negative name strips.These negative strips may then be placed in the pro-;

jector for projecting the names upon the screen 19 or, if desired,positives may be printed from said negatives and then such positives beplaced in the projector for pro j ection of the names they bear onto thescreen 19.

Having, then, placed the name strips in the projector in the mannerillustrated, for example, in Figure 5, the camera 95 will be demountedand the shaft 28 coupled to the shaft 36 of the projector. The vehiclewill .be driven to one of the stations along its route and the operatorwill then operate the gearing 46 by hand, if that is necessary, to causethe name of the station, at which the vehicle has been brought to astop, to exactly register withthe arrows 85, as indicated in Figure 9.The system is now readyfor proper operation and the vehicle may proceedon itsroute and the station name strip and advertisement strip will beactuated so that as the vehicle arrives at the successive stations, thenames of said stations will accurately register, successively, with thearrows 85. t will be noted that the names of a number of stations 7 arevisible on the screen at one time, thus enabling the passen ers of thevehicle to notenames and advertisements, into positions to a expose toview on the screen the names of the stations as and in the order inwhich the name strip arrives at the successive stations.

It will Be readily understood that the projection of the station namesand advertisements on the screen as just described will be the samewhatever the-method employed for producing the station name andadvertisement strips.

Referring, now, more particularly to Figures 15 and 16, illustrating amodification of the projector, the elements that functionally correspondwith those hereinbefore described are indicated by the same referencecharacters with the suflixa. One of the important difierenoes betweenthis form of the projector and that hereinbefore described is that inthis instance the strips 42, 43 aremainly positioned above and below thelamp houslugs 30?, instead of rearwardl thereof as in the projectorillustrated igure 5, thus enab 'ng. a material shortening of theprojector and, at the same time, removin a lar e portion of the stri sfrom positions imme iately rearward of t e lamp housings. In thisinstance, also, one of the take-up pulleys 80 of each set of saidtake-up pulleys is mounted on an arm 118 which is pivoted at 119 to theslide 81'. A spring 120 is secured at one end to the arm 118 and at itsother end to the slide 81, so as to yieldingl hold the pulley 80' on thelower end of said in Figure15, thus to keep the strip taut. It is to beunderstood that there are two of these devices for maintaining thestrips taut, one for each strip, though from the nature of the viewillustrated in Figure 15'only one such device can be seen. .7

Strips of different-lengths can be readily accommodated in the pro ectorby adjusting the slide 81" along the bracket 82, in this instance thebolt 84 extending through a slot 121 in the bracket 82".

Positioned adjacent to the sprockets 45' I are pressure rollers 122mounted on arms 123 which are yieldingly held toward the sprockets 45 bysprings 124, said rollers 122 preventing the strips from jumping off ofthe sprockets.

While I have illustrated and described the stem as employing motionpicture film for t e recording strips, it is to be understood that saidstrips may be of any suitable material. Furthermore, it is to beunderstood that the station names and the symbols employed fordesignating the places where the station names are to be placed on thestri s are characters which, in some instances, orm words constitutingthe names of the stations and, in

other instances, constitute numerals or other suitable symbols wherebythe positions that the station names are to occupy on the strips areprovisionally indicated. It is important that this be clearly understoodfor the reason .that, within the scope of the invention, the

strip that is provided with station names on the initial run of thevehicle on its route may itself be used on subsequent runs, or'a replicaof said strip may be employed.

Furthermore, it is to be understood that when the station name strip isnot the one originally produoed it may reproduce the station names ofthe original or, ifesymbols are employedjon the original, the names ofthe stations may be substituted on the reproduced strip in place of thesymbols, said symbols being employed for obtaining accuracy in theplacement of the station names on the reproduced strip, since thedistance between adjaoentsymbols can be measured with a scale andamultiple of said distance employed in placing the station names on acard that is photographed, as hereinbefore described.

;I claim:

1. In an. automatic station announcing system, a reduction gear train, ameans to arm toward the right .ing means to photograph the card bearingmeans connected with the running gear of the vehicle for operating arecording filmin synchronism with said vehicle as said vehicle runsbetween stations on a definite route, one or more cards bearing thenames 3' of stations of said route, and a means manually operableindependent of the film operatthe name of a station on the film when thevehicle comes to a stop at said station. 3. In an automaticstationannouncing system, a reduction gear train, a means to connect said geartram to the running'gear of a vehicle, a means operated by the geartrain for positively: engaging and moving a recording film at a speedthat is proportional to the speed of the vehicle, one or more cardsbearing the names of stations along the route traversed by said vehicle,and a means manually operable independent of the film moving 9 means tophotograph the name of a station from the card on the film when thevehicle comes to a stop at said station.

4. In the method of preparing the strips for station announcing, thesteps oftrans- 1 porting a light sensitive film between stations on adefinite vehicle route, moving the film linearly during thetransportation thereof by distances that are proportional to thedistances the'film is transported between said 1 stations, transportingwith the film the names ofsaid stations, posting the names of thestations successively in the order in which the vehicle arrives at thestations, and photographing on the film the posted names when l and inthe order that the'vehicle arrives at the successive stations known bysaid names.

5..In the method of preparing the strips for station'announcing, thesteps of transporting a light sensitive film between stations '1 on adefinite vehicle route, movin the film linearly during transportation tereof by distances that are proportional to the distance the film istransported between said stations, holding the. film stationary for an 1interval of time upon arrival at each station, posting the names of thestations successively in the order in which the vehicle arrives at thestations, and photographing on the film the osted names when the film isstationary 1 at t e successive stations known by said names.

6. In the method described, the steps of operatingla vehicle betweenstations, operating a lig t sensitive film on the vehicle at a 1 2. Thecombination with a vehicle of a 78 speed that bears a constant ratio tothe s d of the vehicle, stopping the operations ome vehicle and the filmfor an interval of time at the successively arrived at stations, postingon the vehicle the name of each station in the order of the arrival ofthe vehicle at thestations, and photogra hin the Hosted names of thestations on t e fi wh1 e the vehicle and film are stationary at thestations known respectively by said names.

Signed at Los Angeles, California, this 10th day of June, 1929. v

WALTER D. HAWK.

